neighbor to the north, being turkey. security concerns are prompting the u.n. to announce it is pulling nonessential personnel out of syria. want to bring in fran townsend, our cnn national security contributor and member of the cia external advisory committee. and, fran, good to see you. let's talk about these chemical weapons because we know that in the past, what, three, three have been, i guess, two, two different times the u.s. has seen syria move its chemical weapons around. but intelligence suggests this time the movement is different. how so? >> well, there was an american official speaking on background, obviously, to a new york times reporter who didn't describe this as movement of the chemical weapons. what makes it different this time was it was described as the syrians taking steps in preparation for use. that's far more serious and far more concerning to american and regional officials if syria is undertaking activity that looks like the preparation for the deployment of these chemical weapons. remember, you mentioned, brooke, turkey. also jordan. we have -- there are regi
